# locust777

//函数练习25
#include<stdio.h>
//#include<windows.h>
int Max(int x,int y)
{
return (x>y)?x:y;
}

int Add(int x,int y)
{
return x+y;
}

void Change(int *x,int *y)
{
int tmp = *x;
*x = *y;
*y = tmp;
}

int main()
{
	int a = 0;
	int b = 0;
	scanf("%d%d",&a,&b);
	printf("操作前：a = %d,b = %d\n",a,b);
    printf("相加为:%d\n",Add(a,b));
	printf("比较大的是：%d\n",Max(a,b));
	Change(&a,&b);
	printf("交换后:a = %d,b = %d\n",a,b);

	/*system("paues");*/
	scanf("%d",a);
	return 0;
}